Position marking rod

The utility model belongs to the field of marking rods, and particularly relates to a position marking rod which comprises a supporting rod body and a sign connected to the end of the supporting rod body, and an auxiliary supporting device is arranged on the supporting rod body. The auxiliary supporting device comprises a supporting ring arranged on the supporting rod body in a sleeving mode, two or more auxiliary supporting arms distributed in the circumferential direction of the supporting ring and a threaded sleeve connected to the supporting rod body and used for stopping the supporting ring. The auxiliary supporting arm is connected with the supporting ring through a hinge assembly, the hinge assembly comprises two sleeves and a rotating shaft, the two sleeves are connected to the supporting ring and arranged in a spaced mode, the rotating shaft is connected to the auxiliary supporting arm, and the two ends of the rotating shaft are arranged in the two sleeves in a sleeved mode respectively; a stop block